Earned the highest safety score in Castro Valley. Our safety dimension weighs inspection history, deficiency records, and parent-reported safety culture across reviews.
Full Ranking Detail
childcarepreschool
Happiness Hill Preschool and Day Care is a CCLD-licensed center serving 2- to 5-year-olds in Castro Valley, with over 50 years of operation since 1974 under license #010200263. Operating 7 AM–6 PM on weekdays with a capacity of 123 children, it offers both half-day preschool and full-day preschool with daycare options, accepting both potty-trained and non-potty-trained children. Founded as a ministry of 3Crosses Church, the center's Christian-based curriculum and warm community culture have enabled it to build a substantial enrollment base; parents should review the three CCLD citations on record and confirm that the Christian educational environment aligns with their family's values before enrolling.
Safety6.0
Curriculum6.0
Art / Music5.0
Infant care4.0
Kindergarten readiness6.0
Teacher quality6.0
Compassion7.0
Management6.0
Culture6.0
Extracurriculars5.0
Programs & curriculum
Curriculum & approach: Christian-based educational environment; ministry of 3Crosses Church.
What sets it apart: Offers both half-day preschool and full-day preschool with daycare for ages 2-5. Accepts both potty-trained and non-potty-trained children.
Recognition of Excellence — Website Badge
🏆 For Center Directors
Your center has earned independent recognition based on verified parent reviews. You are welcome to display this badge on your website. Paste the snippet below into your site's HTML — it links back to this verified recognition page.
Best for Safety
<!-- Recognition of Excellence: Happiness Hill Preschool and Day Care -->
<a href="https://creativemindsmontessori.com/US-wide-childcare-preschool-rankings/california/sf-bay-area/castro-valley/happiness-hill-preschool-and-day-care/" target="_blank" rel="noopener" style="display:flex;align-items:flex-start;gap:16px;padding:18px;background:#FFFBF0;border:1px solid #EDD97A;border-radius:10px;max-width:420px;text-decoration:none;color:inherit;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;">
<img src="https://creativemindsmontessori.com/US-wide-childcare-preschool-rankings/badges/dim-safety.jpg" alt="Best for Safety - Happiness Hill Preschool and Day Care - Castro Valley, CA" width="80" height="80" style="border-radius:8px;flex-shrink:0;" loading="lazy">
<span>
<strong style="display:block;font-size:15px;color:#1A1A18;margin-bottom:5px;">Best for Safety</strong>
<span style="font-size:13px;color:#4A4A46;line-height:1.5;">Earned the highest safety score in Castro Valley. Our safety dimension weighs inspection history, deficiency records, and parent-reported safety culture across reviews.</span>
</span>
</a>
This recognition is awarded independently by Creative Minds Montessori based on publicly available parent reviews and public records. Centers do not pay for or request these rankings. Scores reflect editorial synthesis of verified parent experience — not center marketing materials. Rankings are updated periodically as new reviews are analyzed.
